Home / 85,242.93-117,661.05-49,441.74

Finding the Fourth Proportional to 85,242.93, 117,661.05 and 49,441.74

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Solution

The fourth proportional to 85,242.93, 117,661.05 and 49,441.74 is: 68,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,242.93 : 117,661.05 = 49,441.74 : x
  2. Step 2: Convert to fraction form
    85,242.93/117,661.05 = 49,441.74/x
  3. Step 3: Cross multiply
    85,242.93x = 117,661.05 × 49,441.74
  4. Step 4: Simplify right side
    85,242.93x = 5,817,367,042.23
  5. Step 5: Solve for x
    x = 5,817,367,042.23/85,242.93
  6. Step 6: Final answer
    x = 68,244.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.